Answer:
The type of food Bob is given.
Explanation:
An independent variable in an experiment is the variable that is changed. Here, the type of food is the only thing that is changed and the amount of water, temperature and other variables were kept constant (same). Thus, the independent variable is the type of food Bob is given.
<span>contain a decreasing number of organisms going from the bottom to the top of the pyramid</span>
The most energy is always at the bottom of the food chain so C. <span>#TeamAlvaxic</span>
codes for a specific trait
I hope this help and I will try again if it is wrong.
